Home / 276,805.76-381,991.94-149,481.35

Finding the Fourth Proportional to 276,805.76, 381,991.94 and 149,481.35

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Solution

The fourth proportional to 276,805.76, 381,991.94 and 149,481.35 is: 206,284.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,805.76 : 381,991.94 = 149,481.35 : x
  2. Step 2: Convert to fraction form
    276,805.76/381,991.94 = 149,481.35/x
  3. Step 3: Cross multiply
    276,805.76x = 381,991.94 × 149,481.35
  4. Step 4: Simplify right side
    276,805.76x = 57,100,668,222.95
  5. Step 5: Solve for x
    x = 57,100,668,222.95/276,805.76
  6. Step 6: Final answer
    x = 206,284.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.